Very interesting stuff. Some sound like studies in harmonies, some more like gregorian chants. Then there's the definite Crosby sound of guitar too. Tracks 16 is a definite precursor of Guinnevere and track 18 sounds like Deja Vu. 22 has a Down by the River/Long time gone feel to it.

^^From db.etree.org (hope this matches the show! ph)